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No featured offers availableWe feature offers with an Add to Cart button when an offer meets our high standards for: Quality Price, Reliable delivery option, and Seller who offers good customer service “No featured offers available” means no offers currently meet all of these expectations. Select See All Buying Options to shop available offers. When you purchase the SplinTrex 3-in-1 Mouth Guard 4 PACK with carrying case you will receive 4 high quality mouth guards that can be used for either Nighttime Teeth Grinding Protection, as an Athletic Mouth Guard or as a Teeth Whitening Tray. QUALITY - SplinTrex Mouth Guards are made with high quality material that is BPA Free. 100% Satisfaction is GUARANTEED. - PERFECT FIT - easily trimmed to fit any mouth size (even the smallest mouth) - PROFESSIONALLY DESIGNED - slim and flexible design so you can sleep comfortably - CUSTOM MOLDED - you can custom mold your mouth guard to ensure a precise fit - this is not a one size fits all mouth guard! Plus get a Free Replacement if you mismold - BUILT TO LAST - thick 3mm durable base provides extra cushion and shock absorption and also prevents wear through - EASILY ADAPTED - Fits a variety of teeth alignments, tooth size & mouth shape for optimal retention - secure fit locks in place while sleeping or using as an athletic mouth guard. Can be worn on either upper or lower teeth -Try our SplinTrex 3-in-1 Mouth Guards for 30 days. If you don't love the way they fit or work for you, we'll give you your full payment back no questions asked, whether you use 1 or all 3 mouth guards in the set. 1. Open the package and remove the mouth guards and storage case. 2. Choose a mouth guard and trim it to fit your mouth size if necessary. 3. Follow the instructions provided to custom mold the mouth guard to your teeth. 4. Rinse the mouth guard with water before use. 5. Insert the mouth guard into your mouth, ensuring a snug and comfortable fit. 6. Use the mouth guard as needed for teeth grinding protection, as an athletic mouth guard, or as teeth whitening trays. 7. After use, clean the mouth guard with water and store it in the provided case.This is not a mandibular advancement device designed to reposition the jaw or treat snoring or obstructive sleep apnea. SplinTrex 3 in 1 Mouth Guards are intended for healthy adults and not for children. In no event shall Sparkling White Smiles be liable for any direct, indirect, punitive, incidental, special consequential damages whatsoever arising out of or connected with the use or misuse of this product.Statements regarding dietary supplements have not been evaluated by the FDA and are not intended to diagnose, treat, cure, or prevent any disease or health condition.To calculate the overall star rating and percentage breakdown by star, we don’t use a simple average. Instead, our system considers things like how recent a review is and if the reviewer bought the item on Amazon. It also analyzed reviews to verify trustworthiness."...And it is cheap! I love it!..." Read more"...That said, they are cheap and you get four of them, so if you had to replace them every now and then, it probably wouldn't matter." Read more"...I must say, it's a great value. I wish the retainers were a bit thinner though...." Read more"good product. It did what I was hoping for it to do, which was to alleviate the jaw pain from me grinding my teeth...." Read more"I am using these for fluoride treatments. They are super easy to mould and fit your teeth like no other mouthguard!..." Read more"Unfortunately this didn't work for me. The instructions are easy and I can see how it would work great as a mouthguard and for teeth grinding but I..." Read more"...I think the directions are explicit and not confusing. I give it 4 stars because they do shrink after placing in the hot water (makes sense)...." Read more"...I am glad I did. With minimal effort I was able to mold them to my upper teeth. They fit well and are easy to clean...." Read more"...And I gotta say it worked quite well...." Read more"...The instructions are easy and I can see how it would work great as a mouthguard and for teeth grinding but I am allergic to the materials used in..." Read more"...This product works great! It is easy to size, just follow the directions. I needed to trim it a bit, I have a freakishly small mouth...." Read more"...Still, for the price, a very useful product." Read more"...And I gotta say it worked quite well. It fit my mouth perfectly..." Read more"...Given the large size and it's soft rubbery composition, it causes air blockage and a gag reflex...." Read more"...They are super easy to mould and fit your teeth like no other mouthguard!..." Read more"...I was careful to keep them clean. The key to getting a good fit is to make sure when you emerse the guard into hot water, the plastic starts to curl..." Read more"I received it on time. I just used this last night and it's comfortable as long as you follow the directions correctly...." Read more"...the instructions, fit them to my mouth and found them to be very uncomfortable...." Read more"These form to your mouth very well but expect to do a lot of trimming...." Read more"It was not a comfortable... my wife needed as a night guard, but this didn't take the right shape... it became awkward for her to wear and caused..." Read more"Great product. My husband loves these and says that the quality is great. Can't beat the price." Read more"Item doesn't work at all and amazon won't accept return. Poor quality, doest fit. Overall just a piece of junk" Read more"I thought i was a whititng kit. But there nice and comfrtablr and you can mcut then down to fit to size." Read more"Terrible!!! Never able to make it fit." Read more